Number 690 is an integer that follows 689 and precedes 691. It is an even number, meaning it is divisible by 2 without leaving a remainder. In terms of its prime factorization, 690 can be expressed as 2 × 3 × 5 × 23, indicating that it is a composite number made up of several prime factors. In the context of mathematics, 690 can be used in various applications, such as in statistics, where it may represent a data point or a value in a dataset. Additionally, it can appear in real-world scenarios, such as in addresses, measurements, or numerical codes.